21815454

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{547}}^1$

素因数の和:609

約数の個数: 48

約数和(自身を含む): 48451968

約数和(自身を除く): 26636514

約数列:

[1, 2, 3, 6, 17, 23, 34, 46, 51, 69, 102, 138, 289, 391, 547, 578, 782, 867, 1094, 1173, 1641, 1734, 2346, 3282, 6647, 9299, 12581, 13294, 18598, 19941, 25162, 27897, 37743, 39882, 55794, 75486, 158083, 213877, 316166, 427754, 474249, 641631, 948498, 1283262, 3635909, 7271818, 10907727, 21815454]

約数ペア:

[(1, 21815454), (2, 10907727), (3, 7271818), (6, 3635909), (17, 1283262), (23, 948498), (34, 641631), (46, 474249), (51, 427754), (69, 316166), (102, 213877), (138, 158083), (289, 75486), (391, 55794), (547, 39882), (578, 37743), (782, 27897), (867, 25162), (1094, 19941), (1173, 18598), (1641, 13294), (1734, 12581), (2346, 9299), (3282, 6647)]